Finding the Fourth Proportional to 88,116.73, 121,664.29 and 54,170.75
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Solution
The fourth proportional to 88,116.73, 121,664.29 and 54,170.75 is: 74,794.49
Step by Step Solution
- Step 1: Write the proportion equation
88,116.73 : 121,664.29 = 54,170.75 : x - Step 2: Convert to fraction form
88,116.73/121,664.29 = 54,170.75/x - Step 3: Cross multiply
88,116.73x = 121,664.29 × 54,170.75 - Step 4: Simplify right side
88,116.73x = 6,590,645,837.52 - Step 5: Solve for x
x = 6,590,645,837.52/88,116.73 - Step 6: Final answer
x = 74,794.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.